Threatening to destroy a national monument unless a state reverses a particular policy is an example of the attrition strategy. Attrition strategy is a terrorist tactic in which the terrorists' goal is to convince their enemy that the terrorists are strong to charge considerable costs if their enemy continues to implement a certain policy.
The congress may conduct hearings to investigate a vital part of its legislative functions. They can propose changes to their colleagues and conduct hearings to discuss the pros and cons and the opinions of other colleagues regarding the proposal. After the hearings, it will be decided whether to approve or reject the changes.